CN211976788U - A car LED headlight that automatically adjusts light when meeting a car - Google Patents

Abstract

The utility model discloses an automotive LED headlight that automatically adjusts light output when passing vehicles, comprising a lamp holder, a mounting plate is fixedly connected to the middle position of the top of the lamp holder, and an LED lamp is fixedly mounted on the right side wall of the mounting plate A shell is fixedly installed on the top of the lamp holder, a clamping block is fixedly connected to the outer wall of the outer shell, a motor is fixedly connected to the outer wall of the clamping block, and a first gear is rotatably connected to the bearing position of the top of the motor, Install the lamp holder to the headlight position of the car, start the LED lamp beads for lighting, and conduct the heat generated by the LED lamp beads through the sandwich copper heat conduction block in the installation board. The high heat dissipation efficiency prolongs the service life of the lights, effectively avoids the glare of the opposite driver caused by the intersection of the lights when the car meets, and improves the driving safety. drive.

Description

A car LED headlight that automatically adjusts light when meeting a car

technical field

The utility model relates to an automotive LED lamp, in particular to an automotive LED headlamp that automatically adjusts light output when meeting a vehicle.

Background technique

LED car lights are one of the commonly used accessories in cars. LED car light means that the light sources inside and outside the car use LED technology for external and internal lighting. LED car lights can be widely used to create a car interior environment, with a service life of 50,000 hours. The structure of the LED is sturdy and not easily affected by vibration, and the light output brightness will not drop significantly during use. LED car lights are suitable for various lighting applications in automotive electronics.

When driving at night, the driver usually turns on the high beams. When there is a vehicle on the opposite side and two vehicles meet, the LED lights of the car will cause glare to the driver on the opposite side, causing certain driving hazards. China The patent discloses a car hood that reduces the influence of high beam lights when passing vehicles, (authorized announcement number CN201920609847.8), the patented technology can quickly interfere with the deflection angle of the lights emitted by the two headlights of the car, shielding the car The light in the forward direction of the body, but it cannot automatically reduce the light output of the car's LED headlights. There will still be the phenomenon that the light illuminates the eyes of the opposite driver when the car is meeting, and the heat dissipation efficiency is poor and the light focusing is not good, which affects the light. Use efficiency. Therefore, those skilled in the art provide an automotive LED headlight that automatically adjusts light when passing a vehicle, so as to solve the above-mentioned problems in the background art.

SUMMARY OF THE INVENTION

The purpose of the present utility model is to provide an automotive LED headlight that automatically adjusts the light output when meeting a car, so as to solve the problem that the existing automotive LED headlight cannot automatically reduce the light output of the automotive LED headlight in the above-mentioned background art. At the same time, there will still be the phenomenon that the light illuminates the eyes of the opposite driver, and the heat dissipation efficiency is poor, the light concentration is not good, and the use efficiency of the light is affected.

To achieve the above object, the utility model provides the following technical solutions:

An automotive LED headlight that automatically adjusts light when meeting a car includes a lamp holder, a mounting plate is fixedly connected to the middle position of the top of the lamp holder, and LED lamp beads are fixedly installed on the right side wall of the mounting plate. A casing is fixedly installed on the top of the seat, a clamping block is fixedly connected to the outer wall of the casing, a motor is fixedly connected to the outer wall of the clamping block, a first gear is rotatably connected to the bearing position on the top of the motor, and the top of the casing rotates A shading device is connected, the shading device includes a second gear, the second gear is meshed with the first gear, a light outlet is opened in the middle of the second gear, and the upper surface of the second gear is located at the light outlet A second connecting shaft is provided at the outer edge of the device, the top of the second connecting shaft is rotatably connected with a closing cover, and the end of the upper surface of the closing cover away from the second connecting shaft is provided with a first connecting shaft, and the second connecting shaft is A third connecting shaft is arranged on the upper surface of the gear relative to the outer side of the closing cover, a connecting rod is arranged between the first connecting shaft and the third connecting shaft, a lampshade is arranged on the top of the shading device, and the outer wall of the lampshade is fixed A photometric device is installed, and a lens is arranged inside the lampshade.

As a further solution of the present invention: the outer wall of the lamp holder is provided with a heat sink, the inside of the mounting plate is provided with a sandwich copper heat-conducting block, and the heat generated by the LED lamp bead is dissipated through the sandwich copper heat-conducting block in the mounting plate. Conducting conduction, through the cooperation with the heat sink, the heat dissipation efficiency of the lamp is improved, and the service life of the lamp is prolonged.

As a further solution of the present invention: the inner wall of the casing is provided with a reflector, the reflector has a "bowl"-shaped structure, and the light emitted by the LED lamp beads can be reflected to the Light outlet to improve the utilization of light.

As a further solution of the present invention: the upper surface of the casing is provided with a chute, the bottom of the shading device is rotatably connected with a universal ball relative to the chute, and the universal ball is slidably connected in the chute, The universal ball slides in the chute, so that the shading device can be rotated on the top of the casing, thereby realizing the shading function.

As a further solution of the present invention: the first connecting shaft, the second connecting shaft, the third connecting shaft and the closing cover are all provided with five groups, and when the second gear rotates counterclockwise, two adjacent groups are formed. The closing cover slides relatively to form a circular closing plate, and the motor rotates clockwise to drive the first gear to rotate clockwise, thereby driving the second gear to rotate counterclockwise, so that the second gear rotates counterclockwise to bring the connecting rod a direction. The left driving force drives the connecting rod to rotate to the left, thereby driving the closing cover to rotate counterclockwise with the second connecting shaft as the base point through the first connecting shaft, so that the five sets of closing covers slide relative to each other to form a circular closing plate, thereby reducing the The light output of the light outlet makes the light in the direction of the vehicle go into a closed light state, which effectively avoids the glare of the opposite driver caused by the intersection of the lights when the vehicle meets, and improves the driving safety.

As a further solution of the present invention: the lens includes a light entrance surface and a light exit surface, the light entrance surface is a convex structure, and the light exit surface is a concave structure, and the light entrance surface is improved by arranging the convex structure light entrance surface. By setting the light-emitting surface of the concave structure, the illumination range of the light-emitting is improved, so as to ensure that the car lights have no dark areas during the reflection process.

Compared with the prior art, the beneficial effects of the present utility model are:

1. By installing the lamp holder to the position of the headlight of the car, the LED lamp beads are activated for lighting, and the heat generated by the LED lamp beads is conducted through the sandwich copper heat conduction block in the installation board. It improves the heat dissipation efficiency of the lamp and prolongs the service life of the lamp.

2. When meeting a car, the light of the opposite vehicle is received through the photometer device to control the motor to rotate clockwise, thereby driving the first gear to rotate clockwise, thereby driving the second gear to rotate counterclockwise, so as to pass the second gear counterclockwise. Clockwise rotation brings a leftward thrust to the connecting rod, thereby driving the connecting rod to rotate leftward, thereby driving the closing cover to rotate counterclockwise with the second connecting shaft as the base point through the first connecting shaft, so that the five sets of closing covers are opposite to each other. Sliding to form a circular closed plate, thereby reducing the light output of the light outlet, so that the light in the direction of the vehicle is closed, effectively avoiding the intersection of lights when passing vehicles and causing glare to the driver on the opposite side, improving driving. Safety, when the meeting is over, open the light outlet in the same way to ensure normal driving.

3. The reflector has a "bowl"-shaped structure. By setting the reflector with the "bowl"-shaped structure, the light emitted by the LED lamp beads can be reflected to the light outlet to improve the utilization rate of light. The light-gathering property of the light is improved, and the light-emitting surface of the concave structure is arranged to improve the light-emitting range of light-emitting, so as to ensure that the vehicle light is concentrated without dark areas during the reflection process.

Description of drawings

FIG. 1 is a schematic structural diagram of an automotive LED headlight that automatically adjusts light when meeting a car.

FIG. 2 is a schematic structural diagram of a shading device in an automotive LED headlight that automatically adjusts light when passing vehicles.

FIG. 3 is a schematic structural diagram of a lens in an automotive LED headlight that automatically adjusts light when passing a vehicle.

FIG. 4 is a schematic structural diagram of a chute in an automotive LED headlight that automatically adjusts light when passing vehicles.

FIG. 5 is a schematic structural diagram of a reflector in an automotive LED headlight that automatically adjusts light when passing vehicles.

In the figure: 1. Lamp socket; 2. Heat sink; 3. Mounting plate; 4. LED lamp beads; 5. Block; 6. Housing; 7. Motor; 8. First gear; 9. Shading device; 10. Light metering device; 11, lampshade; 12, connecting rod; 13, closing cover; 14, second gear; 15, first connecting shaft; 16, second connecting shaft; 17, third connecting shaft; 18, light outlet; 19, lens; 20, light exit surface; 21, light entrance surface; 22, chute; 23, reflector.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Referring to FIGS. 1 to 5 , in the embodiment of the present invention, an automotive LED headlight that automatically adjusts light when passing a vehicle includes a lamp holder 1 , the outer wall of the lamp holder 1 is provided with a heat sink 2 , and the middle of the top of the lamp holder 1 is provided with a heat sink 2 . The installation board 3 is fixedly connected in position, and the LED lamp beads 4 are fixedly installed on the right side wall of the installation board 3. The interior of the installation board 3 is provided with a sandwich copper heat-conducting block. The heat generated during operation is conducted, and by being used in conjunction with the heat sink 2, the heat dissipation efficiency of the vehicle lamp is improved, and the service life of the vehicle lamp is prolonged. The reflector 23, the reflector 23 is a "bowl"-shaped structure, the light emitted by the LED lamp beads 4 can be reflected to the light outlet 18 by setting the reflector 23 with the "bowl"-shaped structure, so as to improve the utilization rate of light. The outer wall of the housing 6 A clamping block 5 is fixedly connected, a motor 7 is fixedly connected to the outer wall of the clamping block 5, a first gear 8 is rotatably connected to the bearing position on the top of the motor 7, a chute 22 is opened on the upper surface of the casing 6, and the top of the casing 6 is rotatably connected with a The shading device 9, the bottom of the shading device 9 is connected with a universal ball relative to the position of the chute 22, the universal ball is slidably connected in the chute 22, and the universal ball slides in the chute 22, so as to realize the shading device 9 in the casing 6. The top rotates to realize the shading function. The shading device 9 includes a second gear 14. The second gear 14 is meshed with the first gear 8. The middle position of the second gear 14 is provided with a light outlet 18. The upper surface of the second gear 14 A second connecting shaft 16 is provided at the outer edge of the light outlet 18 , the top of the second connecting shaft 16 is rotatably connected with a closing cover 13 , and the end of the upper surface of the closing cover 13 away from the second connecting shaft 16 is provided with a first connecting shaft. 15. A third connecting shaft 17 is arranged on the upper surface of the second gear 14 relative to the outer side of the closing cover 13, a connecting rod 12 is arranged between the first connecting shaft 15 and the third connecting shaft 17, the first connecting shaft 15, the second connecting shaft 17 The connecting shaft 16 , the third connecting shaft 17 and the closing cover 13 are all provided with five groups, and when the second gear 14 rotates counterclockwise, the two adjacent groups of closing covers 13 slide relatively to form a circular closing plate, and the motor 7 rotates clockwise. The rotation drives the first gear 8 to rotate clockwise, thereby driving the second gear 14 to rotate counterclockwise, so that the second gear 14 rotates counterclockwise to give the connecting rod 12 a leftward pushing force, thereby driving the connecting rod 12 to the left The first connecting shaft 15 drives the closing cover 13 to rotate counterclockwise with the second connecting shaft 16 as the base point, so that the five groups of closing covers 13 slide relative to each other to form a circular closing plate, thereby reducing the light output of the light outlet 18. The universal ball slides in the chute 22, so that the shading device 9 rotates on the top of the casing 6, thereby realizing the shading function, so that the lights in the forward direction of the vehicle are turned off, which effectively avoids the intersection of lights when passing vehicles. In order to avoid the glare of the driver on the opposite side, the driving safety is improved. The top of the shading device 9 is provided with a lampshade 11, the outer wall of the lampshade 11 is fixedly installed with a photometric device 10, and the lampshade 1 1 is provided with a lens 19 inside, the lens 19 includes a light entrance surface 21 and a light exit surface 20, the light entrance surface 21 is a convex structure, and the light exit surface 20 is a concave structure. Concentration, by setting the light-emitting surface 20 with a concave structure, the illumination range of light-emitting is improved, and it is ensured that the vehicle lamp is focused without dark areas during the reflection process.

The working principle of the utility model is:

When driving at night, the driver usually turns on the high beams. When there is a vehicle on the opposite side and two vehicles meet, the LED lights of the car will cause glare to the driver on the opposite side, causing certain driving hazards. When using the utility model, by installing the lamp holder 1 to the position of the headlight of the car, the LED lamp bead 4 is activated to illuminate, and the heat generated by the LED lamp bead 4 is conducted through the sandwich copper heat conducting block in the mounting plate 3, and the heat generated by the LED lamp bead 4 is conducted through Used in conjunction with the heat sink 2, the heat dissipation efficiency of the vehicle lamp is improved, and the service life of the vehicle lamp is prolonged. The reflector 23 has a "bowl"-shaped structure. The light emitted by the lamp bead 4 is reflected to the light outlet 18 to improve the utilization rate of light. When passing vehicles, the light from the opposite vehicle is received through the light metering device 10 to control the motor 7 to rotate clockwise, thereby driving the first gear 8 Rotate clockwise, thereby driving the second gear 14 to rotate counterclockwise, thereby giving the connecting rod 12 a leftward pushing force through the counterclockwise rotation of the second gear 14, thereby driving the connecting rod 12 to rotate leftward, thereby passing the first The connecting shaft 15 drives the closing cover 13 to rotate counterclockwise with the second connecting shaft 16 as the base point, so that the five groups of closing covers 13 slide relative to each other to form a circular closing plate, thereby reducing the light output of the light outlet 18 and making the vehicle move forward. The lights are turned off, which effectively avoids the glare of the opposite driver caused by the intersection of lights when meeting cars, and improves driving safety. When the meeting is over, open the light outlet 18 in the same way to ensure normal driving. The light entrance surface 21 of the concave structure improves the condensing property of the light, and the light output surface 20 of the concave structure is arranged to improve the illumination range of the light output, so as to ensure that the vehicle lamp is focused without dark areas during the reflection process.

The above are only the preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited to this. Equivalent replacement or modification of the new technical solution and its utility model concept shall be included within the protection scope of the present utility model.

Claims (6)

1. An automotive LED headlight that automatically adjusts light when meeting a car, comprising a lamp holder (1), characterized in that a mounting plate (3) is fixedly connected to the middle position of the top of the lamp holder (1), and the mounting plate (3) LED lamp beads (4) are fixedly installed on the right side wall of the board (3), a casing (6) is fixedly installed on the top of the lamp holder (1), and a clamping block (5) is fixedly connected to the outer wall of the casing (6). ), a motor (7) is fixedly connected to the outer wall of the clamping block (5), a first gear (8) is rotatably connected to the bearing position on the top of the motor (7), and a top of the housing (6) is rotatably connected to a A shading device (9), the shading device (9) comprises a second gear (14), the second gear (14) is meshed with the first gear (8), and the middle position of the second gear (14) A light outlet (18) is provided, the upper surface of the second gear (14) is located at the outer edge of the light outlet (18), and a second connecting shaft (16) is provided, and the top of the second connecting shaft (16) is provided A closing cover (13) is rotatably connected, the upper surface of the closing cover (13) is provided with a first connecting shaft (15) at one end away from the second connecting shaft (16), and the upper surface of the second gear (14) is provided with a first connecting shaft (15). A third connecting shaft (17) is arranged relative to the outer side of the closing cover (13), a connecting rod (12) is arranged between the first connecting shaft (15) and the third connecting shaft (17), and the shading device ( 9) A lampshade (11) is arranged on the top of the lampshade (11), a photometric device (10) is fixedly installed on the outer wall of the lampshade (11), and a lens (19) is arranged inside the lampshade (11). 2 . The automotive LED headlight according to claim 1 that automatically adjusts light output when passing a vehicle, wherein the outer wall of the lamp holder ( 1 ) is provided with a heat sink ( 2 ), and the mounting plate ( 3 ) ) is provided with a sandwich copper heat-conducting block inside. 3 . The automotive LED headlight according to claim 1 that automatically adjusts light when passing vehicles, wherein the inner wall of the housing ( 6 ) is provided with a reflector ( 23 ), and the reflector ( 23 ) For the "bowl" like structure. 4. The automotive LED headlight that automatically adjusts light output when passing vehicles according to claim 1, wherein a chute (22) is provided on the upper surface of the casing (6), and the shading device (9) ) is rotatably connected to the bottom of the chute (22) with a universal ball, and the universal ball is slidably connected in the chute (22). 5 . The automotive LED headlight that automatically adjusts light when passing vehicles according to claim 1 , wherein the first connecting shaft ( 15 ), the second connecting shaft ( 16 ), the third connecting shaft ( 17) Five groups of closing covers (13) are provided, and when the second gear (14) rotates counterclockwise, two adjacent groups of the closing covers (13) slide relative to each other to form circular closing plates. 6 . The automotive LED headlight that automatically adjusts light output when passing vehicles according to claim 1 , wherein the lens ( 19 ) comprises a light entry surface ( 21 ) and a light exit surface ( 20 ). The light surface (21) is a convex structure, and the light exit surface (20) is a concave structure.

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